August 22, 2011 11:40 am Robert Downey Jr. Talks Superheroes Robert Downey Jr. and Chris Hemsworth chat with Access Hollywood about the big action sequence they just shot on the streets of Ohio for “The Avengers” — and debate which superhero’s costume is coolest. US & World Videos 1:36 Arizona Senate repeals 1864 abortion ban 1:40 Democrats say Big Oil misled public for decades about climate change 5:44 May Day demonstrations, Gaza war protests continue across Bay Area 3:27 May Day demonstrations planned, Gaza war protests continue across Bay Area 2:27 Junk fee law bans restaurant surcharges